Online UPS System with Voltage Fluctuation Protection is used to prevent malfunctioning due to non-reliable or distorted mains supply carrying surges, sags, spikes, line noises, switching transients and harmonic distortions. The Online UPS System offers protection from voltage fluctuation. The Online UPS System comprises of various features like high quality, reliable performance and durability. Online UPS System with Voltage Fluctuation Protection is made using quality grade raw material which ensures optimum durability along with long lasting trouble free service.